Arweave Indexer

Arweave Indexer is a Rust-based application that indexes transactions from the Arweave blockchain and stores them in a MongoDB database. It also provides a GraphQL API to query the indexed data.

Features

• Fetches the latest block number from the Arweave blockchain.
• Compares the latest block number with the last indexed block in the database.
• Synchronizes transactions from the blockchain to the database
• Provides a GraphQL API to query the indexed data.

Prerequisites

• Rust (latest stable version)
• MongoDB
• Docker (optional)

Install dependencies

cargo build --release

How to use

Configuration

Use src/config/config.json to configure the indexer. Example:

{
    "start_block": 1567000,
    "checkpoints": [900, 845, 733],
    "mongo_url": "mongodb://localhost:27017"
}

Database

Launch a MongoDB docker container

docker compose -f docker-compose-dev.yaml up

Run

Run the indexer

cargo run --release

Query

In order to fetch indexed transaction access the GraphQL Playground at http://localhost:8000/graphql. Example:

{
  transaction (id: "tx id") {
    format
    id
    lastTx
    owner
    tags {
      name
      value
    }
    target
    quantity
    data
    dataSize
    dataTree
    dataRoot
    reward
    signature
  }
}